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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 3 |
| 7 | 4 |
| 8 | 0 |
| 9 | 1 |
| 10 | 3 |
| 11 | 9 |
| 12 | 12 |
| 13 | 13 |
| 14 | 0 |
| 15 | 1 |
| 16 | 3 |
| 17 | 9 |
| 18 | 10 |
| 19 | 27 |
| 20 | 36 |
| 21 | 39 |
| 22 | 40 |
| 23 | 0 |
| 24 | 1 |
| 25 | 3 |
| 26 | 9 |
| 27 | 27 |
| 28 | 30 |
| 29 | 81 |
| 30 | 85 |
| 31 | 108 |
| 32 | 117 |
| 33 | 120 |
| 34 | 121 |
| 35 | 0 |
| 36 | 1 |
| 37 | 3 |
| 38 | 9 |
| 39 | 27 |
| 40 | 28 |
| 41 | 81 |
| 42 | 90 |
| 43 | 91 |
| 44 | 220 |
| 45 | 243 |
| 46 | 255 |
| 47 | 307 |
| 48 | 324 |
| 49 | 351 |
| 50 | 360 |
| 51 | 363 |
| 52 | 364 |
| 53 | 0 |
| 54 | 1 |
| 55 | 3 |
| 56 | 9 |
| 57 | 27 |
| 58 | 81 |
| 59 | 84 |
| 60 | 175 |
| 61 | 243 |
| 62 | 270 |
| 63 | 273 |
| 64 | 625 |
| 65 | 660 |
| 66 | 729 |
| 67 | 733 |
| 68 | 765 |
| 69 | 921 |
| 70 | 972 |
| 71 | 1053 |
[0,0,1,0,1,3,4,0,1,3,9,12,13,0,1,3,9,10,27,36,39, 40,0,1,3,9,27,30,81,85,108,117,120,121,0,1,3,9,27, 28,81,90,91,220,243,255,307,324,351,360,363,364,0, 1,3,9,27,81,84,175,243,270,273,625,660,729,733, 765,921,972,1053] |